You’ve come to the right place. This force is recorded in both pounds-force (lbf) and kilo-Newtons (kN). It is important to note that Janka hardness does not take into account wood density nor weight. Janka Hardness: 600 lb f (2,670 N) Modulus of Rupture: 10,260 lb f /in 2 (70.8 MPa) ... and it was western red cedar (thuja plicata), not cedrela. From Douglas fir & redwood to different varieties of cedar & pine, our chart will cover most softwoods you’ll encounter in DIY projects. The rating for white pine, one of the most common varieties, is 420. For the sake of comparison, red oak gets a 1,290 on the Janka … The Janka scale ranks all wood for hardness, with a higher number correlating with a harder wood. Cedrela toona) Distribution: Southern Asia and Australia. Alaskan Yellow Cedar was initially placed in the Cupressus genus, and later in the Chamaecyparis genus (where it had remained for roughly 160 years). Want to know the hardness rating of a particular softwood? Hickory / Pecan, Satinwood 1820 Afzelia / Doussie / Australian Wormy Chestnut 1810 Bangkirai 1798 Rosewood 1780 African Padauk 1725 Blackwood 1720 ... Eastern Red Cedar 900 Southern Yellow Pine (Longleaf) 870 Lacewood, Leopardwood 840 African Mahogany 830 Mahogany, Honduran Mahogany 800 Parana 780 Sycamore 770 The Janka Side Hardness test measures the force required to press an 11.28mm (0.444 inch) steel ball to half its diameter cross-grain into a block of wood. Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter. Janka Hardness Scale The Janka hardness test is a measurement of the force necessary to embed a .444-inch steel ball to half its diameter into a vertically sawn piece of wood. Scientific Name: Toona ciliata (syn. We created an easy-to-reference chart that lists the Janka hardness ratings for different North American softwoods. Most cedar-topped nylon-string guitars I’ve seen have been classical type, not flamenco. Alder on the other hand is usually very consistent as … JANKA WOOD HARDNESS RATINGS . Average Dried Weight: 30 lbs/ft 3 (485 kg/m 3) Specific Gravity (Basic, 12% MC):.40, .49. It is an industry standard for gauging the ability of various species to tolerate denting and normal wear, as well as being a good indication of the effort required to either nail or saw the particular wood. Recent reclassifications have moved it from Chamaecyparis to a newly created genus named Xanthocyparis, and then to Callitropsis , … Janka Hardness: 700 lb f (3,130 N) Common Name(s): Australian Red Cedar, Toona. For example, certain species of Ash are inconsistent where one piece may be heavy while another may be light in weight. Yellow pine earns an 870, while cedar comes in at an even 900.